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Finding the Fourth Proportional to 8,408.52, 12,673.56 and 7,932.24

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Solution

The fourth proportional to 8,408.52, 12,673.56 and 7,932.24 is: 11,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.52 : 12,673.56 = 7,932.24 : x
  2. Step 2: Convert to fraction form
    8,408.52/12,673.56 = 7,932.24/x
  3. Step 3: Cross multiply
    8,408.52x = 12,673.56 × 7,932.24
  4. Step 4: Simplify right side
    8,408.52x = 100,529,719.57
  5. Step 5: Solve for x
    x = 100,529,719.57/8,408.52
  6. Step 6: Final answer
    x = 11,955.70

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.